777143 divided by 45 
We want to divide 777143 by 45.

Let's proceed to step 1:
When dividing 7 by 45, we get 0 with a remainder of 7.
Write down 0 as next digit of the result. 
Result so far: 0.0
Deduct 0 from 7 and we're left with 7.
Bring next digit (7) of the dividend behind the 7 and repeat the process: 77 / 45

Step 2:
45 goes into 77 1 times with a remainder of 32.
Put 1 as the next digit of the answer. 
Result so far: 1.0
If we subtract 45 from 77, we get 32.
Take the next digit (7) from the dividend and append it to 32, then repeat: 327 / 45

Advancing to step 3:
When dividing 327 by 45, we get 7 with a remainder of 12.
Put 7 as the next digit of the answer. 
Result so far: 17.0
Subtract 315 from 327 to get 12.
Fetch the next digit (1) from the dividend, attach it to 12 and continue: 121 / 45

Advancing to step 4:
When dividing 121 by 45, we get 2 with a remainder of 31.
Record the quotient 2 as the next digit in the result. 
Result so far: 172.0
If we subtract 90 from 121, we get 31.
Grab the next digit (4) from the dividend, add it to 31, then carry on: 314 / 45

Step 5:
The number 45 fits into 314 6 times, leaving a remainder of 44.
The number 6 becomes the next digit in our result. 
Result so far: 1726.0
Deduct 270 from 314 and we're left with 44.
Append the next digit (3) from the dividend to 44 and continue with: 443 / 45

Moving on to step 6:
45 goes into 443 9 times with a remainder of 38.
Record the quotient 9 as the next digit in the result. 
Result so far: 17269.0
The remainder is 38 after subtracting 405 from 443.
Since there are no more digits in the dividend, we add a zero to the remainder making it 380, and continue the process.

Step 7:
45 can be fit into 380 8 times, resulting in a remainder of 20.
The next digit of our result is 8. 
Result so far: 17269.8
Deduct 360 from 380 and we're left with 20.
Since there are no more digits in the dividend, we add a zero to the remainder making it 200, and continue the process.

On to step 8:
When dividing 200 by 45, we get 4 with a remainder of 20.
Put 4 as the next digit of the answer. 
Result so far: 17269.84
The remainder is 20 after subtracting 180 from 200.
Since there are no more digits in the dividend, we add a zero to the remainder making it 200, and continue the process.

On to step 9:
The number 45 fits into 200 4 times, leaving a remainder of 20.
The next digit of our result is 4. 
Result so far: 17269.844
Subtracting 180 from 200 leaves us with 20.
Since there are no more digits in the dividend, we add a zero to the remainder making it 200, and continue the process.

Our division results in 17269.844 with a remaining 0.002.